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A novel sanitation model based on EcoSan philosophy
conference contribution
posted on 2018-02-12, 15:10 authored by Vinod Tare, Karthik Balasundaram, Amit MehrotraZero Discharge Toilet System (ZDTS) which incorporates EcoSan philosophy and the advantages of
water flushed system has been described in this paper. The system uses a solidliquid
separator and a
thin flat filter which enables recycling for flushing the toilet pan and separate collection of urine and
fecal slurry. Inorganic liquid or solid fertilizer is obtained by concentrating the liquid residue. The solid
residues containing around 2 % solids are first processed using activated composting and finally
polished to obtain quality organic manure using vermicomposting. The quality of product is much
superior as indicated by higher water holding capacity and much lower total carbon, volatile solids,
coliforms and C/N ratio. The zero discharge toilets are well accepted among users. The residues
generated per person are about 1/5 th as compared to conventional toilet system. ZDTS has lower capital
cost and higher NPV as compared to conventional wastewater treatment system.
History
School
- Architecture, Building and Civil Engineering
Research Unit
- Water, Engineering and Development Centre (WEDC)
Published in
WEDC ConferenceCitation
TARE, V. ... et al, 2009. A novel sanitation model based on EcoSan philosophy. IN: Shaw, R.J. (ed). Water, sanitation and hygiene - Sustainable development and multisectoral approaches: Proceedings of the 34th WEDC International Conference, Addis Ababa, Ethiopia, 18-22 May 2009, 5p.p.Publisher
© WEDC, Loughborough UniversityVersion
- VoR (Version of Record)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2009Notes
This is a conference paper.Other identifier
WEDC_ID:13427Language
- en
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